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386916974 = 21711379911
BaseRepresentation
bin10111000011111…
…110001001101110
3222222001102022022
4113003332021232
51243022320344
6102220550142
712405511553
oct2703761156
9888042268
10386916974
1118944a4a4
12a96b2352
1362210672
143955aa2a
1523e7c0ee
hex170fe26e

386916974 has 8 divisors (see below), whose sum is σ = 614515248. Its totient is φ = 182078560.

The previous prime is 386916949. The next prime is 386916977. The reversal of 386916974 is 479619683.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386916977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5689922 + ... + 5689989.

It is an arithmetic number, because the mean of its divisors is an integer number (76814406).

Almost surely, 2386916974 is an apocalyptic number.

386916974 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

386916974 is a deficient number, since it is larger than the sum of its proper divisors (227598274).

386916974 is a wasteful number, since it uses less digits than its factorization.

386916974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11379930.

The product of its digits is 1959552, while the sum is 53.

The square root of 386916974 is about 19670.2052353299. The cubic root of 386916974 is about 728.6840456479.

The spelling of 386916974 in words is "three hundred eighty-six million, nine hundred sixteen thousand, nine hundred seventy-four".

Divisors: 1 2 17 34 11379911 22759822 193458487 386916974